/*
 * Copyright (C) 2012 Aonyx
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package ch.aonyx.broker.ib.api.execution;

import java.util.Map;

import org.apache.commons.lang3.StringUtils;

import com.google.common.collect.Maps;

/**
 * @author Christophe Marcourt
 * @since 1.0.0
 */
public enum Side {

    PURCHASE("BOT"), SALE("SLD"), UNKNOWN("UNKNOWN"), EMPTY("");

    private final String acronym;
    private static final Map<String, Side> MAP;
    static {
        MAP = Maps.newHashMap();
        for (final Side side : values()) {
            MAP.put(side.getAcronym(), side);
        }
    }

    private Side(final String acronym) {
        this.acronym = acronym;
    }

    public final String getAcronym() {
        return acronym;
    }

    public static final Side fromAcronym(final String acronym) {
        if (StringUtils.isBlank(acronym)) {
            return EMPTY;
        }
        final String acronymUpperCase = acronym.toUpperCase();
        if (MAP.containsKey(acronymUpperCase)) {
            return MAP.get(acronymUpperCase);
        }
        return UNKNOWN;
    }
}
